20528592

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:696

約数の個数: 80

約数和(自身を含む): 61281792

約数和(自身を除く): 40753200

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 107, 112, 168, 214, 321, 336, 428, 571, 642, 749, 856, 1142, 1284, 1498, 1712, 1713, 2247, 2284, 2568, 2996, 3426, 3997, 4494, 4568, 5136, 5992, 6852, 7994, 8988, 9136, 11984, 11991, 13704, 15988, 17976, 23982, 27408, 31976, 35952, 47964, 61097, 63952, 95928, 122194, 183291, 191856, 244388, 366582, 427679, 488776, 733164, 855358, 977552, 1283037, 1466328, 1710716, 2566074, 2932656, 3421432, 5132148, 6842864, 10264296, 20528592]

約数ペア:

[(1, 20528592), (2, 10264296), (3, 6842864), (4, 5132148), (6, 3421432), (7, 2932656), (8, 2566074), (12, 1710716), (14, 1466328), (16, 1283037), (21, 977552), (24, 855358), (28, 733164), (42, 488776), (48, 427679), (56, 366582), (84, 244388), (107, 191856), (112, 183291), (168, 122194), (214, 95928), (321, 63952), (336, 61097), (428, 47964), (571, 35952), (642, 31976), (749, 27408), (856, 23982), (1142, 17976), (1284, 15988), (1498, 13704), (1712, 11991), (1713, 11984), (2247, 9136), (2284, 8988), (2568, 7994), (2996, 6852), (3426, 5992), (3997, 5136), (4494, 4568)]